E-1 (100-200 ft), Eniwetok Atol: Late/Upper Pleistocene, Marshall Islands
collected by ONR and USGS 1952

List of taxa
Where & when
Taphonomy & methods
Metadata & references
Taxonomic list
Gastropoda - Eucyclidae
Euchelus (Herpetopoma) instrictus (Gould 1849)
Ladd 1966
Euchelus (Euchelus) cf. quadricarinatus (Dilwyn 1817)
Ladd 1966
Gastropoda - Lepetellida - Fissurellidae
Emarginula (Emarginula) cf. peasei
Ladd 1966
Gastropoda - Liotiidae
Liotina (Dentarene) loculosa (Gould 1862)
Ladd 1966
Gastropoda - Turbinidae
Leptothyra picta
Ladd 1966
synonym of Collonista
Gastropoda - Neogastropoda - Muricidae
Drupa (Morula) concatenata
Ladd 1977
original and current combination Morula
Gastropoda - Rissoidae
Zebina (Morchiella) cooperi
Ladd 1966
Gastropoda - Triphoridae
Triphora (Mastonia) intermissa
Ladd 1972
Gastropoda - Vanikoridae
Vanikoro aff. kanakarum
Ladd 1972
Gastropoda - Eulimidae
Eulima informal sp. A Risso 1826
Ladd 1977
Bivalvia - Cardiida - Veneridae
Veneridae indet. Rafinesque 1815
Listed as "venerid"
Bivalvia - Mytilida - Mytilidae
Mytilus sp. Linnaeus 1758
Bivalvia - Arcida - Arcidae
Arcidae indet. Lamarck 1809
Listed as "arcid"
see common names

Country:Marshall Islands
Coordinates: 11.4° North, 162.4° East (view map)
Paleocoordinates:10.0° North, 165.5° East
Basis of coordinate:estimated from map
Geographic resolution:small collection
Period:Quaternary Epoch:Pleistocene
10 m.y. bin:Cenozoic 6
Key time interval:Late/Upper Pleistocene
Age range of interval:0.12600 - 0.01170 m.y. ago
Local section:E-1 Local bed:150 ft
Local order:top to bottom
Regional section:Eniwetok Atol Regional bed:150 ft
Regional order:top to bottom
Stratigraphic resolution:group of beds
Stratigraphy comments: STRATIGRAPHIC RELATIONS: From an undifferentiated lithostratigraphic unit. AGE: Late Pleistocene, on the basis of stratigraphic position. STRATIGRAPHIC POSITION: A composite list from several beds within this section of drill core, from 100-200 ft.
Lithology and environment
Primary lithology:shelly/skeletal,yellow poorly lithified calcareous "limestone"
Includes fossils?Y
Lithology description: LITHOLOGY: Coral limestone; white friable limestone, recrystalized in places to yellow calcite, mollusks abundant. Cuttings can be aragonitic. LITHIFICATION: Poorly-lithified, on the basis of facies description and figured specimens.
Environment:reef, buildup or bioherm
Geology comments: ENVIRONMENT: Carbonate facies. Shallow water, presumably reefal. No paleoenvironmental data presented.
Modes of preservation:body,mold/impression,recrystallized
Size of fossils:macrofossils
Collection methods and comments
Collection excludes:some macrofossils
Collection methods:core,field collection
Reason for describing collection:taxonomic analysis
Museum repositories:USNM
Collectors:ONR and USGS Collection dates:1952
Collection method comments: COLLECTOR: Office of Naval Research and USGS, 1952. REPOSITORY: USNM.
Taxonomic list comments:COEVERAGE: Representative, but not exhaustive of bivalvia and gastropoda. NOMENCLATURE: Mixture of some slightly antiquated and broad identifications and more modern nomenclature, subgenus- and species-level identifications from an authoritative publication. IDENTIFIER: H. S. Ladd.
Database number:43321
Authorizer:A. Hendy Enterer:A. Hendy
Modifier:A. Hendy Research group:marine invertebrate
Created:2004-08-11 15:03:15 Last modified:2013-11-25 13:37:23
Access level:the public Released:2004-08-11 15:03:15
Creative Commons license:CC BY
Reference information

Primary reference:

11427. H. S. Ladd and S.O. Schlanger. 1960. Drilling operations on Eniwetok Atoll. United States Geological Survey Professional Paper 260(Y):863-903 [A. Miller/A. Hendy/A. Hendy]

Secondary references:

26223 H. S. Ladd. 1966. Chitons and Gastropods (Haliotidae through Adeorbidae) from Western Pacific Islands. United States Geological Survey Professional Paper 531:1-98 [A. Hendy/A. Hendy/J. Millet]
11409 H. S. Ladd. 1972. Cenozoic fossil mollusks from Western Pacific Islands; Gastropods (Turritellidae through Strombidae). United States Geological Survey Professional Paper 532:1-79 [A. Miller/A. Hendy/A. Hendy]
11410 H. S. Ladd. 1977. Cenozoic fossil mollusks from Western Pacific Islands; Gastropods (Eratoidae through Harpidae). United States Geological Survey Professional Paper 533:1-84 [A. Miller/A. Hendy/J. Millet]
26328 H. S. Ladd. 1982. Cenozoic fossil mollusks from Western Pacific Islands; Gastropods (Volutidae through Terebridae). United States Geological Survey Professional Paper 1171:1-100 [A. Hendy/A. Hendy]